1. Laboratory of Clinical Chemistry, Cliniques Universitaires de Bruxelles Hôpital Erasme, Brussels, Belgium
2. Department of Hematology/Oncology, Hôpital Universitaire Reine Fabiola, Brussels, Belgium
3. Department of Obstetrics and Gynaecology, H.I.S. Etterbeek-Ixelles, Brussels, Belgium
4. Molecular Genetics, Cliniques Universitaires de Bruxelles Hôpital Erasme, Brussels, Belgium